Open
Cached
·
just now
79/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=dns3.clusteredweb.com
Issuer
C=US, O=Let's Encrypt, CN=YR1
Valid From
June 23, 2026
Valid Until
September 21, 2026
48 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
43:01:72:5B:B8:72:9F:6D:95:DF:5B:E3:BA:13:A4:E1:91:5B:70:60:06:37:60:F5:39:98:68:97:27:8F:11:0A
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports